diff --git a/jni.d b/jni.d
index d905686..912f843 100644
--- a/jni.d
+++ b/jni.d
@@ -194,6 +194,7 @@ private string getJavaName(alias a)() {
 /+ Java class file definitions { +/
 // see: https://docs.oracle.com/javase/specs/jvms/se8/html/jvms-4.html#jvms-4.6
 
+version(WithClassLoadSupport) {
 import arsd.declarativeloader;
 
 struct cp_info {
@@ -410,6 +411,8 @@ struct ClassFile {
 	@NumElements!attributes_count attribute_info[] attributes;
 }
 
+}
+
 /+ } end java class file definitions +/
 
 // semi-FIXME: java.lang.CharSequence is the interface for String. We should support that just as well.